laravel migration remove unique constraint
/** To drop an index you must specify the index's name.
Laravel assigns a reasonable name to the indexes by default.
Simply concatenate the table name, the names of the column in the index,
and the index type **/
// Format of unique key tableName_column_unique
$table->dropUnique('users_email_unique');laravel migration remove unique
//The UNique need be a constraint name
// This name has this format:
// [TABLE_NAME]_[COLUMN_NAME]_unique
// For 'users' table and 'user_code' column, whe get the name:
// users_user_code_unique
$table->dropUnique('users_user_code_unique');
//The inverst is
$table->unique('user_code');Copyright © 2021 Codeinu
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